Anatomy and physiology revision

4. the structure in the kidney that allows filtration of fluid and small molecules
6. reduces the surface tension in the alveoli
7. the term used to describe the contraction of the heart muscle
8. these stimulate other cardiac muscle cells (2 words, no space between words)
10. a hormone that stimulates the bone marrow to produce RBC
13. the amount of air moved in and out of the lung with each normal breath (2 words, no space between words)
16. considered the functional unit of the kidney
17. the inner most covering of the heart
18. blood flow is calculated based on the following way
19. main muscle involved in breathing
21. this lung has 3 lobes
22. these structures contain valves to aid in the return of blood to the heart
23. the coronary arteries fill during ....
24. one of the structures in the upper respiratory system

1. the second phase of urine formation (2 words, no space between word)
2. the primary function of the respiratory system (2 words, no space between words)
3. this structure secretes a small amount of fluid to reduce friction
5. the transport system of the cardiovascular system
9. one of the atrioventricular valves (2 words, no space between)
11. cardiac valves open and close based on this
12. the urine forming organ
14. part of the conducting airways that are not involved in gas exchange
15. where the coronary arteries originate
19. muscle that contracts during voiding
20. initiates the renin-angiotensin-adosterone pathway